7, Belsize Park Gardens, London, NW3 4LB
Proposal
The conversion of two self-contained residential flats, (a three bed and a one bed) into one single self-contained four bedroom residential flat on the upper two floors. The replacement of two existing roof terraces to the front of the property into one consolidated roof terrace, and creation of a new roof terrace to the rear of the property consisting of the erection of new iron railings to match the existing and new doors in place of the existing window openings. The replacement of the existing traditional timber framed sash windows at the front of the property on the second floor with like-for-like new windows and replace the windows to the rear of the property at the same level with timber framed sash windows.
- Received
- 1 August 2025
- Decided
- 22 September 2025
- Council
- London Borough of Camden
Boundary © HM Land Registry, © Ordnance Survey · details
This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.
- ReceivedSubmitted1 Aug
- ValidatedValidated
- Consult.Consultation
- TargetTarget Date
- DecidedDecided22 Sep
Decided in 52 days (council typically 49)
This is a planning application for window replacement at 7, Belsize Park Gardens, London, NW3 4LB. Camden has handled 54 applications of this type and approves nearly all of them, typically deciding them in 57 days. This one was decided in 52 days, 5 days quicker than Camden's median. The site is in the Belsize Park conservation area. There have been 2 other applications at this address. In the past year there have been 317 applications across Belsize. We hold 2,488 applications in total for the NW3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Camden
Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.
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Associated applications
- 202616 Jun
Details required by condition 4 (detailed drawings) of planning permission ref. 2025/5045/P
ApprovedDischarge of conditions2026/2339/P - 20251 Aug
The conversion of two self-contained residential flats, (a three bed and a one bed) into one single…
This applicationApprovedApplication2025/3354/P
Planning history at this site
6 other applications at this property, newest first.
- 20264 Sep
Non-material amendment to planning permission ref. 2025/5424/P
ApprovedNon-material amendment2026/3097/P - 20266 Mar
Erection of rear garden studio outbuilding.
ApprovedFull Planning Permission2026/0701/P - 202624 Feb
Installation of three security grilles to the external face of the front-facing windows of the garden flat.
WithdrawnFull Planning Permission2026/0631/P - 20251 Dec
Front alterations including reduction of length of metal railings and widening of opening for access to bins…
ApprovedFull planning permission2025/5424/P - 20257 Nov
Erection of a garden room to be used for purposes ancillary to the main dwelling
ApprovedFull planning permission2025/4961/P - 202526 Sep
New access opening in the front boundary wall, with the installation of a galvanised steel gate finished in…
PendingHouseholder2025/4279/P
Planning constraints
Designations that overlap or adjoin the site outline.
- Conservation area: Belsize
- Article 4 direction: Basements+2 more
- Flood zone 1: Low probability (rivers and sea)
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (21)
flood storage areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.
A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.
Data © Crown copyright and others · sources and licences
Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.
© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.
© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.
© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.
Contains Ordnance Survey data © Crown copyright and database right 2026.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.
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